Solve for X.

- 12 + X = 48

A x = - 60

B x = 60

C x = 36

D x = - 36

To solve for X, we need to isolate X on one side of the equation.

Given:
12 + X = 48

Subtract 12 from both sides:
X = 48 - 12
X = 36

Therefore, the correct answer is:
C x = 36